摘要 |
A direction controlled service apparatus may include a mounting assembly (14), a housing assembly (12) configured to operably connect to the mounting assembly (14), the housing assembly (12) being movable with respect to the mounting assembly (14), and a plurality of actuators (16) connected between the mounting assembly (14) and the housing assembly (12), each actuator of the plurality of actuators (16) being configured to contract upon a current being applied to the actuator to rotate the housing assembly (12) with respect to the mounting assembly (14). (Fig. 1) |